The Alternation Of Motion Is Ever Proportional

We Are To Admit No More Causes Of Natural Things Than Such As Are Both True And Sufficient To Explain Their Appearances.

It Seems Probable To Me That God, In The Beginning, Formed Matter In Solid, Massy, Hard, Impenetrable, Moveable Particles, Of Such Sizes And Figures, And With Such Other Properties, And In Such Proportions To Space, As Most Conduced To The End For Which He Formed Them; And That These Primitive Particles, Being Solids, Are Incomparably Harder Than Any Porous Bodies Compounded Of Them, Even So Very Hard As Never To Wear Or Break In Pieces; No Ordinary Power Being Able To Divide What God Had Made One In The First Creation.

Ax: 100 Every Thing Doth Naturally Persevere In Yt State In Wch It Is Unlesse It Bee Interrupted By Some Externall Cause, Hence... [a] Body Once Moved Will Always Keepe Ye Same Celerity, Quantity & Determination Of Its Motion.

Against Filling The Heavens With Fluid Mediums, Unless They Be Exceeding Rare, A Great Objection Arises From The Regular And Very Lasting Motions Of The Planets And Comets In All Manner Of Courses Through The Heavens.

Through Algebra You Easily Arrive At Equations, But Always To Pass Therefrom To The Elegant Constructions And Demonstrations Which Usually Result By Means Of The Method Of Porisms Is Not So Easy, Nor Is One's Ingenuity And Power Of Invention So Greatly Exercised And Refined In This Analysis.